* Alex Benn?e <alex.ben...@linaro.org> [2023-10-12 15:55:59]: > > Hi Phil, > > We do want to see Gunyah support merged in Qemu at the earliest (as soon > > as the kernel driver is merged upstream that is), so any dependent change in > > Qemu for Gunyah would be of much interest to us! I am not sure though if > > Quic > > can sign up for the entire "make cpustate accel agnostic" work. Can you > > point > > to your ongoing work that I could take a look at? Would that address > > virtio-pci > > becoming accelerator agnostic? > > Why wouldn't virtio-pci be accelerator agnostic?
I checked usage of few KVM APIs in virtio-pci.c. I think most of them are to do with use of MSI and IRQFD. If lets say we are not supporting MSI, then I *think* current virtio-pci should work just fine. It would use virtio_pci_notify -> pci_set_irq -> .. -> qemu_set_irq, which should land in gunyah_arm_gicv3_set_irq [Patch 7/12] AFAICT. Let me try getting virtio-pci working and then I can update this thread again! - vatsa
